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    <a href="0_Index.htm"><img src="images/thco35_s.gif" border="0" width="32" height="32" alt="Chem.Eq.Diagr"></a>&nbsp;</td>
    <td align="left" valign="middle"><font size="-1"><a href="0_Index.htm">Chemical Equilibrium Diagrams</a></font></td>
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<table border="0" cellpadding="0" cellspacing="0">
    <tr valign="top"><td>&nbsp;</td></tr>
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      <td width="40"><nobr><img src="images/database0.gif" alt="" border="0" width="32" height="32"><tt>&nbsp;</tt></nobr></td>
      <td><h2>DATABASE:<br>Hydrochemical Equilibrium Constant Database</h2></td>
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<p>DATABASE is a program that creates data files that are then used by
<a href="S_0_Main.htm">SPANA</a> to create chemical equilibrium diagrams.
It uses <a href="DB_Databases.htm">databases</a> with equilibrium constants.</p>

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<tr valign="center"><td><tt>&nbsp;&nbsp;</tt></td>
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	<td><font color="#3333ff"><tt>REACTIONS.ELB<br>REACTIONS.DB</tt></font></td></tr></table></td>
	<td><tt>&nbsp;</tt></td><td colspan="3" align="left">Supplied binary database<br>
																	(The user may add/remove/modify the&nbsp;data)</td></tr>
<tr valign="top"><td>&nbsp;</td><td align="center"><font size="+2">&#8595;</font></td><td colspan="4">&nbsp;</td></tr>
<tr valign="top"><td>&nbsp;</td>
      <td align="right"><img src="images/Database.gif" alt="DATABASE" border="0" width="100" height="99"></td><td>&nbsp;</td>
      <td valign="middle"><a href="DB_Working_with.htm">Make a data-file</a><br> with DATABASE</td>
      <td align="center" valign="middle">&nbsp;&nbsp;&nbsp;&nbsp;<font size="+2">&#8594;</font>&nbsp;&nbsp;&nbsp;&nbsp;</td>
      <td align="center" valign="bottom">&nbsp;<br>&nbsp;<br>
        <a href="S_0_Main.htm"><img src="images/Spana.gif" alt="SPANA" title="SPANA" height="30" width="30" border="0"><br>SPANA</a><br>
	      <font size="+2">&#8595;</font>
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      <td colspan="6" align="right"><a href="S_Modify_Chem_System.htm">Modify the chemical system</a><br>(if needed) </td>
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      <td colspan="5">&nbsp;</td>
      <td align="center"><font size="+2">&#8595;</font></td>
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			<td colspan="3">&nbsp;</td>
      <td colspan="3" align="right">
      <p><a href="S_Making_Diagrams.htm">Make the Diagram</a><br>
      <img src="images/Diagram.gif" alt="Diagram" border="0" width="136" height="85">
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<td>The provided database was developed at Inorganic Chemistry,
Royal Institute of Technology (KTH), Stockholm, Sweden
<nobr>(<a class="www" target="_blank"
href="http://www.kth.se/che/departments/chemistry">www.kth.se</a>).</nobr></p>
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<td><img src="images/kth_logo.gif" alt="KTH" title="KTH" height="103" width="94" border="0">
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<p>   	<ul type="square">
        <li><a href="Tut_Make_1st_Diag.htm"><b>Make your 1st Diagram</b></a></li>
        <li><a href="DB_Working_with.htm"><b>Working with DATABASE</b></a></li>
        <li><a href="DB_Solids_Optns.htm"><b>Solids: dissolution or precipitation?</b></a></li>
				<li><a href="DB_Databases.htm"><b>The database</b></a></li>
					<ul type="disc">
					<li><a href="DB_Add_data.htm">Adding Data</a></li>
					<li><a href="DB_Remove_change_data.htm">Removing or Changing Data</a></li>
					<li><a href="DB_Create_your_database.htm">Create your own databases:</a></li>
					</ul>
				</ul>
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